Erwin, SD Weather Forecast

Local 7-day forecast

73°

Chance Rain Showers

Track current conditions, temperature changes, wind, and the full daily outlook for Erwin, SD in one place.

Thursday, April 23, 2026

Wind: 25 to 30 mph SSW

Thursday

A chance of rain showers before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 73. Chance of precipitation is 50%.

Local 7-day forecast

Local Weather Overview

This forecast page for Erwin, SD is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Apr 18, 2026 10:38 PM CDT.

The active forecast window currently covers Apr 23 to Apr 25, 2026 for Erwin, SD.

Page Snapshot

Page focus: city weather
Forecast window: Apr 23 to Apr 25, 2026
Latest sync: Apr 18, 2026 10:38 PM CDT
Forecast office: FSD
Source: NOAA / NWS

Next High

73°F

Thursday

Next Low

33°F

Thursday Night

Rain Outlook

Periods mentioning precipitation

Windiest

25 to 30 mph

Thursday

Daily Outlook

Today

Apr 23

Chance Rain Showers

73 °F

/ 33°F

Wind 25 to 30 mph

Fri

Apr 24

Chance Rain And Snow Showers

50 °F

/ 29°F

Wind 25 to 30 mph

Sat

Apr 25

Mostly Sunny

50 °F

Wind 15 to 20 mph

This Week in Erwin

Thursday looks like the warmest upcoming period in Erwin at 73 degrees F.

Friday Night is the coolest period ahead with temperatures near 29 degrees F.

The strongest winds are forecast for Thursday at about 25 to 30 mph SSW.

Precipitation is mentioned in 4 upcoming forecast periods.

Forecast Details

Last updated: Apr 18, 2026 10:38 PM CDT
Coverage: 3 days
Time zone: America/Chicago
Forecast office: FSD
Radar station: KFSD

Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.

Open NOAA source

Extended Forecast

Thursday Night

Apr 23

33°F

Chance Showers And Thunderstorms

25 to 30 mph W

A chance of showers and thunderstorms. Partly cloudy, with a low around 33. Chance of precipitation is 40%.

Friday

Apr 24

50°F

Chance Rain And Snow Showers

25 to 30 mph WNW

A chance of rain showers before 7am, then a chance of rain and snow showers. Partly sunny, with a high near 50. Chance of precipitation is 30%.

Friday Night

Apr 24

29°F

Slight Chance Rain Showers then Partly Cloudy

15 to 25 mph NW

A slight chance of rain showers before 7pm. Partly cloudy, with a low around 29.

Saturday

Apr 25

50°F

Mostly Sunny

15 to 20 mph NNW

Mostly sunny, with a high near 50.

Detailed Forecast

Period	Conditions	Temp	Wind	Details
Thursday Apr 23	Chance Rain Showers	73°F	25 to 30 mph SSW	A chance of rain showers before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 73. Chan...
Thursday Night Apr 23	Chance Showers And Thunderstorms	33°F	25 to 30 mph W	A chance of showers and thunderstorms. Partly cloudy, with a low around 33. Chance of precipitation is 40%.
Friday Apr 24	Chance Rain And Snow Showers	50°F	25 to 30 mph WNW	A chance of rain showers before 7am, then a chance of rain and snow showers. Partly sunny, with a high near 50. Chance o...
Friday Night Apr 24	Slight Chance Rain Showers then Partly Cloudy	29°F	15 to 25 mph NW	A slight chance of rain showers before 7pm. Partly cloudy, with a low around 29.
Saturday Apr 25	Mostly Sunny	50°F	15 to 20 mph NNW	Mostly sunny, with a high near 50.

Nearby Forecasts

Explore weather pages for nearby cities and major places around Erwin.

Nearby forecast pages are not available for this location yet.

Region Links

Kingsbury County weather

County forecast page

South Dakota weather

Statewide weather overview

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National weather entry point

Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.